The content it provides is superb and on to the point and give multiples options to choose content from. It can convert your leads to customers with its machine learning skills and deep learning.

It's incredibly easy to use - the UI is simple and easy to navigate, and results come in quickly and are easy to report on. I've used it for SL testing (up to 10 at a time) and SMS (up to 2 at a time) and have had great results in both. I've also used it in ESP's where there is a native integration and where the process is more manual - obviously the native integration they have with SFMC is great, but the results still speak for themselves, even if you have slightly more manual work to do with connecting Phrasee testing to your ESP.

The ease of integration into Salesforce and clear reporting insights that gives clear results distinctions between control and test subject lines. The incremental revenue calculator is a clever way to see how much your algorithm's have generated.